History of Diamond Grading in Australia

Blogs & News

Explore DCLA’s legacy as Australia’s leading diamond authority. Learn our history, meet the founders, and discover our unmatched grading expertise.

A DCLA Guide to Choosing the Perfect Ring
How Do I Know Which Engagement Ring Style Is Right for Me?

An engagement ring is one of the most meaningful purchases you will ever make. It symbolises love,[…]

Could Diamonds Follow the Pearl Industry Lessons from One of Jewellery's Greatest Transformations
Could Diamonds Follow the Pearl Industry? Lessons from One of Jewellery’s Greatest Transformations

For more than a century, natural diamonds have represented rarity, permanence and prestige. Yet today, the diamond[…]

How Fluorescence Can Enhance Beauty, Character and Value
The Hidden Light Within Diamonds: How Fluorescence Can Enhance Beauty, Character and Value

Fluorescence occurs when a diamond is exposed to ultraviolet (UV) light. Invisible ultraviolet rays excite trace structural[…]

The human eye is naturally drawn to contrast.
The Art of Contrast: Why Mixing Coloured Diamonds Creates Extraordinary Jewellery

For centuries, white diamonds have been regarded as the ultimate symbol of elegance and timeless beauty. Today,[…]

Choosing the Right Carat Size
Choosing the Perfect Diamond Shape for Your Hand: A Guide to Finding the Most Flattering Ring

Selecting a diamond is about far more than choosing the largest stone or the most popular shape.[…]

The World's Largest Diamond Mines Are Running Out
The Future of Natural Diamonds: As Global Mines Reach End of Life, Will the Second-Hand Market Become the New Source of Supply?

New Discoveries Are Becoming Increasingly Rare Diamond exploration is an expensive, high-risk undertaking. Unlike previous decades, when rich kimberlite[…]

Bringing Your Vision to reality
From Imagination to Heirloom: How the DCLA Brings Your Jewellery Vision to Life

It may be inspired by a treasured memory, a family diamond, a milestone anniversary, an engagement, or[…]

Modern gemmological testing involves far more than simply using a handheld diamond tester.
Consumer Alert: Certificate Swapping Fraud – A Growing Threat to the Diamond Industry

The Diamond Certification Laboratory of Australia (DCLA) Issues Warning to Consumers and the Jewellery Trade

Nature's Ratio: Large Diamonds Are Exceptionally Rare
Nature vs Technology: Why Large Natural Diamonds Are Exceptionally Rare While Large Laboratory-Grown Diamonds Are Increasingly Common

For billions of years, nature has been producing diamonds deep beneath the Earth's surface under immense pressure[…]

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